Management of Vegetation by Alternative Practices in Fields and Roadsides

Table 7

Efficacy of alternative herbicides and burning of vegetation at ten days and six weeks after one application of treatments in field plot experiment with repeated applications on annual and perennial vegetation (Field Experiment  2).

Treatment^†	Rating by date and type of vegetation
	August 1		September 9
	Annual	Perennial	Annual	Perennial
	Visual index^‡
Clove oil	1.7	0.9	0	1.0
Pelargonic acid	3.3	7.3	0.7	1.4
Citric-acetic acid^§	2.7	4.7	0.7	1.2
Citric acid^§	0.3	0.7	0	0.5
Flaming	9.5	8.7	4.7	2.7
LSD	1.0	1.0	1.3	1.3

^†One application of the herbicides or burning was made on July 21, 2005.
^‡Visual index. See Table 3 for indexing scale.
^§Citric-acetic acid was Ground Force; citric acid was Brush and Black Berry Block. See Table 1.